• January 20, 2022

Physics MCQ on Perfectly Inelastic Collision for NEET, JEE, Medical and Engineering Exam 2021

MCQ on Perfectly Inelastic Collision: Previous trends reveal that NEET/JEE aspirants find Physics as the most challenging section amongst the other sections. But most of them fail to decipher the reason behind this. This particularly can be as the candidates taking up this examination are predominantly medical aspirants with their subject of interest being Biology. Also, sections like Physics are more on theories, laws, numerical as opposed to Biology which is more of fact-based, life sciences and comprising of substantial explanations.

MCQ on Perfectly Inelastic Collision

In this post we are providing you MCQ on Perfectly Inelastic Collision, which will be beneficial for you in upcoming NEET, AIIMS, JEE, WBJEE, Medical and Engineering Exams.

MCQ on Perfectly Inelastic Collision

Q1. A body of mass m moving with a constant velocity v hits another body of the same mass moving with the same velocity v but in the opposite direction and sticks to it. The velocity of the compound body after the collision is ________.
a) 2v
b) v
c) v/2
d) Zero

View Answer

(d) Zero

Q2. Which of the following is not perfectly inelastic collision?
a) Striking of two glass balls
b) A bullet striking a bag of sand
c) An electron captured by a proton
d) A man jumping onto a moving cart

View Answer

(c) An electron captured by a proton

Q3. A 50 g bullet moving with velocity 10 m/s strikes a block of mass 950 g at rest and gets embedded in it. The loss in kinetic energy will be ________.
a) 100%
b) 95%
c) 5%
d) 50%

View Answer

(b) 95%

Q4. If a skater of weight 3 Kg has initial speed 32 m/s and the second one of weight 4 kg has 5m/s. After the collision, they have speed (couple) 5 m/s. Then the loss in K.E is ________.
a) 48 J
b) 96 J
c) Zero
d) None of these

View Answer

(d) None of these

Q5. A completely inelastic collision is one in which the two colliding particles ________.
a) Are separated after collision
b) Remain together after the collision
c) Split into small fragments flying in all directions
d) None of the above

View Answer

(b) Remain together after the collision

Q6. A particle of mass m moving with velocity v strikes a stationary particle of mass 2m and stricks to it. The speed of the system will be ________.
a) v/2
b) 2v
c) v/3
d) 3v

View Answer

(c) v/3

Q7. The coefficient of restitution e for a perfectly inelastic collision is ________.
a) 1
b) 0
c) Infinity
d) -1

View Answer

(b) 0

Q8. A bullet hits and gets embedded in a solid block resting on a horizontal frictionless table. What is conserved?
a) Momentum and kinetic energy
b) Kinetic energy alone
c) Momentum alone
d) Neither momentum nor kinetic energy

View Answer

(c) Momentum alone

Q9. A ball is dropped from a height 10m. The ball is embedded in sand 1m and stops, then _______.
a) Only momentum remains conserved
b) Only kinetic energy remains conserved
c) Both momentum and K.E are conserved
d) Neither K.E nor momentum is conserved

View Answer

(a) Only momentum remains conserved

Q10. When two bodies stick together after the collision, the collision is said to be ________.
a) Partially elastic collision
b) Totally elastic collision
c) Totally inelastic collision
d) None of the above

View Answer

Totally inelastic collision

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By Team Learning Mantras